Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Dallas Women | 2021/09/17 15:30 | Maria Kononova v Marcela Zacarias | 0-6,2-6 |
| UTR Pro Tennis Series Dallas Women | 2021/07/10 13:00 | Marcela Zacarias v Maria Kononova | 6-0,6-1 |
| UTR Pro Tennis Series Nevada Women | 2021/05/28 15:00 | Maria Kononova v Marcela Zacarias | 0-6,2-6 |
| ITF W60 Berkeley | 2021/10/03 19:40 | Marcela Zacarias v Usue Maitane Arconada | 1-6,3-6 |
| ITF W60 Berkeley | 2021/10/01 17:00 | Emma Navarro v Marcela Zacarias | 5-7,7-5,2-6 |
| ITF W60 Berkeley | 2021/09/30 17:00 | Brantmeier, Reese v Marcela Zacarias | 7-5,2-6,1-6 |
| ITF W60 Berkeley | 2021/09/29 17:00 | Marcela Zacarias v Katie Volynets | 7-6,3-6,6-2 |
| ITF W25 Fort Worth | 2021/09/22 15:55 | Marcela Zacarias v Kayla Day | 6-1,3-6,0-6 |
| UTR Pro Tennis Series Dallas Women | 2021/09/19 13:30 | Marcela Zacarias v Gleason, Quinn | 5-7,4-6 |
| UTR Pro Tennis Series Dallas Women | 2021/09/18 12:30 | Marcela Zacarias v Bayley Sheinin | 6-0,5-0 |
| UTR Pro Tennis Series Dallas Women | 2021/09/17 15:30 | Maria Kononova v Marcela Zacarias | 0-6,2-6 |
| ITF W15 Lubbock | 2021/09/28 15:00 | Anita Sahdiieva v Maria Kononova | 6-3,6-2 |
| ITF W15 Lubbock | 2021/09/27 15:00 | Maria Kononova v Elizabeth Danailova | 6-2,6-1 |
| ITF W25 Fort Worth | 2021/09/21 16:25 | Maria Kononova v Graham, Alexa | 1-6,3-6 |
| ITF W25 Fort Worth | 2021/09/20 14:00 | Maria Kononova v Isabel P. Montalvo | 6-1,7-6 |
| UTR Pro Tennis Series Dallas Women | 2021/09/18 14:00 | Makarova, Tatiana v Maria Kononova | 6-7,6-4,6-4 |
| UTR Pro Tennis Series Dallas Women | 2021/09/17 15:30 | Maria Kononova v Marcela Zacarias | 0-6,2-6 |
| UTR Pro Tennis Series Dallas Women | 2021/09/16 14:00 | Maria Kononova v Ava Krug | 3-6,6-1,5-4 |
| UTR Pro Tennis Series Dallas Women | 2021/09/15 19:30 | Narmont, Helena v Maria Kononova | 3-6,3-5 |